So helium is a limited resource. Okay gotcha. So why not take two hydrogen atoms. Take their protons and neutrons. And just fucking start squeezing them together until you get helium?
And I don’t mean in the same way you get H2. Those are still separate from each other.
Powered flight was fifty years away from about the ninth century onward. Until 1903. After that it was trivial.
sixty years after that we had escaped the atmosphere itself and the Moon was within reach